Home / 551,223.36-826,368.48-218,617.92

Finding the Fourth Proportional to 551,223.36, 826,368.48 and 218,617.92

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Solution

The fourth proportional to 551,223.36, 826,368.48 and 218,617.92 is: 327,741.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,223.36 : 826,368.48 = 218,617.92 : x
  2. Step 2: Convert to fraction form
    551,223.36/826,368.48 = 218,617.92/x
  3. Step 3: Cross multiply
    551,223.36x = 826,368.48 × 218,617.92
  4. Step 4: Simplify right side
    551,223.36x = 180,658,958,251.16
  5. Step 5: Solve for x
    x = 180,658,958,251.16/551,223.36
  6. Step 6: Final answer
    x = 327,741.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.